IP Library Granted Patent US 5,268,775
Granted Patent Utility
US 5,268,775 · App. 07/995,568

Contrast enhancement and ghost elimination, for reflective light valve system

Inventor: Peter A. Zeidler
Patented Case View Patent ↗
Granted: Dec 7, 1993 Filed: Dec 22, 1992
Inventor
Peter A. Zeidler
Assignee (at issue)
Hughes-JVC Technology Corporation

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,268,775
App. No.
07/995,568
Filed
1992-12-22
Granted
1993-12-07
Kind
A